Television.
Good. Heart on a pedestal.
Good. Column on two legs.
Wrong. The correct shape could also be described as a capital i on stilts.
Wrong. The correct shape could also be described as a tall thin vase on x shaped legs.
Wrong. The correct shape could also be described as a walking vase.
Can you find a slightly funky U?
Okay. Deselect the person walking.
Good. O with the top right edge cut off.
Wrong. Deselect the anvil and the tower with the short chim

Outcome: successful
Speaker comments: Repeatedly chose two shapes from one clue. Didn't consistently deselect choices confirmed wrong. When told to deselect two wrong choices, listener also randomly and accidentally chose two correct ones.